Physics question and answers for June 27, 2024
- Q Q23 A circular disc of mass M and radius R is rotating with an angular velocity w about an axis passing through its centre and perpendicular to the plane of...
- Q Which of the following gates will have an output of 1 D 1 0 0 1 0 1 0 1 A
- Q 3 10cm 4 2 5cm A body of mass m is situated at distance 4R 13 above the Earth s surface where R is the radius of Earth how much...
- Q Q 1 Q 30 Carry ONE mark each The two vectors P i q i j 2 are a related by a rotation c related by an inversion A 3...
- Q The drawing shows a top view of a frictionless horizontal surface where there are two springs with particles of mass m and m attached to them Each spring has a...
- Q The resistance of a coil for dc is R ohms When connected to ac supply the total resistance offered by circuit to ac current A Will remain same B Will...
- Q A 3 x 3 matrix has eigenvalues 0 2 i and 2 i Which one of the following statements is correct a The matrix is Hermitian b The matrix is...
- Q The figure shows a transparent sphere of radius R and refractive index u An object O is placed at a distance x from the pole of the first surface so...
- Q If a circular hole of radius R 2 is removed from semicircular disc as shown find the moment of inertia about AB of the remaining body Use mass of semicircular...
- Q 3 6 mH 31 Find potential difference between A and C if potential difference between A and B at a certain instant is 12 V 1 12 V 3 36...
- Q The flatbed truck starts from rest on a road whose constant radius of curvature is 30 m and whose bank angle is 10 If the constant forward acceleration of the...
- Q Ans a 1 0 m s b 50 m s c 24 5 J 21 A smooth sphere mass 10 kg rolls on a smooth curved surface from the point...
- Q A capacitor of capacitance 1 mF originally charged to a potential difference of 10 V is connected to an inductor of inductance L If the maximum current in the circuit...
- Q A ball of mass 1 kg bounces against the smooth floor as shown in the figure The approaching velocity is 25 m s and the velocity after hitting the ground...
- Q mass 25 kg rests on a horizontal floor u 0 2 It is attached by a 5m long horizontal rope to a peg fixed on floor The block is pushed...
- Q Identify the correct statement regarding power MOSFET You can select multiple correct answers MOSFET is a unipolar voltage controlled three terminal device The MOSFET has higher switching losses than that...
- Q A particle with an initial velocity vi enters a region with an electric field Ej and a magnetic field Bj The trajectory of the particle will a be an ellipse...
- Q Using ampere s circuital law we can find A Magnetic field due to a long isolated current carrying straight wire B Magnetic field inside a long current carrying solonoid C...
- Q TOO A simple pendulum is suspended in a uniform electric field E as shown in the figure What will be its period if its length Charge on the bob of...
- Q Obtain the approximate force in MN required to punch a 20 mm diameter hole in a plate that is 50 mm thick Use shear strength as 350 MN m and...
- Q A solid hemisphere rests in equilibrium on a rough ground and against a smooth wall The curved surface touches the wall and the ground The angle of inclination of the...
- Q The figure represents a voltage regulator circuit using a Zener diode The breakdown voltage of the Zener diode is 6 V and the load resistance is R 4 k2 The...
- Q A ball is projected from point O on the ground It hits a smooth vertical wall AB at a height h and rebounds elastically The ball finally lands at a...
- Q The maximum value of anode current which it must attain during turn on process to maintain conduction when gate pulse is removed The minimum value of anode current which it...
- Q dv dt triggering of SCR IS SCR is turn off by changing the forward bias voltage with respect to time O Anode cathode forward voltage is increased O None of...
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